extern "C" {
    typedef void (*UnityAdsPurchasingDidInitiatePurchasingCommandCallback)(const char * eventString);
    typedef void (*UnityAdsPurchasingGetProductCatalogCallback)();
    typedef void (*UnityAdsPurchasingGetPurchasingVersionCallback)();
    typedef void (*UnityAdsPurchasingInitializeCallback)();
}

void InitializeUnityAdsPurchasingWrapper();
